Salthe, Stanley N. <br/><br/>
Evolving hierarchical systems :  Their structure and representation / 
Stanley N. Salthe. 
 - New York :  Columbia University Press,  1985. 
 - x, 343 p. :  ill. ;  24 cm. 
 - 574/.012 .
<br/><br/> Includes indexes. 
<br/><br/>Bibliogr.: p. [311]-329. 
<br/><br/><label>ISBN: </label>0231060165 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Classification.<br/>Evolution (Biology)
<br/><br/><label>Dewey Class. No.: </label>574/.012